Re: [Discuss-gnuradio] gr.and_const_ss Overflow error with values over 0x7FFF?

[Eric Blossom]

On Tue, May 11, 2010 at 09:12:40AM +1200, Drew Read wrote:
> Hi All,
> 
> Does anyone have any idea what's happening here? It seems like
> gr.and_const_ss(short k) wont accept any values of k greater than
> 0x7fff.
> It's a bit of a problem for using gr-gpio where the use case would be
> gr.and_const_ss(0xEFFF) to get only the analog portion of the samples.
> 
> Executing z = gr.and_const_ss(0x7fff) works fine 
> but z = gr.and_const_ss(0x8000) results in:
> 
> >>> z = gr.and_const_ss(0x8000)
> Traceback (most recent call last):
>   File "<stdin>", line 1, in <module>
>   File
> "/usr/local/lib/python2.6/dist-packages/gnuradio/gr/gnuradio_swig_py_gengen.py",
>  line 1636, in and_const_ss
>     return _gnuradio_swig_py_gengen.and_const_ss(*args, **kwargs)
> OverflowError: in method 'and_const_ss', argument 1 of type 'short'
> 
> I've git pulled with no improvement and I'm running Ubuntu 10.04 LTS.
> This issue can be reproduced using either an interactive Python console
> or by running gnuradio/gr-gpio/src/python/gpio_rx_sfile.py
> 
> Also multiply_const_ss is doing the same thing.
> 
> Maybe I need to raise this as an issue?
> 
> Thanks for any help,
> Drew




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